Restructure logic to fix bug with problem instances
Display Problems

- getModifiedWordText
- Restructure logic to better create problem instances
- Display problems in html
- Capitalize
Generate final sample problems

- Keep main name at beginning of each line (to also handle pronouns in option phrases)
- Fix problems (force plural)
- Handle || in the problemText
Calculate a value for each variable

This is for the case where it is not referenced in the text: x+y=m+_  (Sum not referred)